(12.5+1.25-0.125)x80怎样简便怎样算

2024-12-03 14:37:24
推荐回答(1个)
回答1:

(12.5+1.25-0.125)x80
=12.5x80+1.25x80-0.125x80
=1000+100-10
=1090